# Use Alpine edge for now as some required dependencies are only in the testing repository
FROM alpine:edge

# Switch to the root user while we do our changes
USER root
WORKDIR /

# Install GStreamer and other required Debian packages
RUN echo "http://dl-cdn.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories \
 && apk update \
 && apk add \
  dumb-init \
  shadow \
  sudo \
  git \
  py3-pip \
  mopidy \
  py3-mopidy-spotify

# Install Node, to build Iris JS application
RUN apk add nodejs npm

# Upgrade Python package manager pip
# https://pypi.org/project/pip/
RUN python3 -m pip install --upgrade pip

# Clone Iris from the repository and install in development mode.
# This allows a binding at "/iris" to map to your local folder for development, rather than
# installing using pip.
# Note: ADD helps prevent RUN caching issues. When HEAD changes in repo, our cache will be invalidated!
ADD https://api.github.com/repos/jaedb/Iris/git/refs/heads/master version.json
ENV IRIS_VERSION=develop
RUN git clone --depth 1 --single-branch -b ${IRIS_VERSION} https://github.com/jaedb/Iris.git /iris \
 && cd /iris \
 && npm install \
 && npm run prod \
 && python3 setup.py develop \
 && mkdir -p /var/lib/mopidy/.config \
 && ln -s /config /var/lib/mopidy/.config/mopidy \
 # Allow mopidy user to run system commands (restart, local scan, etc)
 && echo "mopidy ALL=NOPASSWD: /iris/mopidy_iris/system.sh" >> /etc/sudoers \
 # Enable container mode (disable restart option, etc.)
 && echo "1" >> /IS_CONTAINER \
 # Copy Version file
 && cp /iris/VERSION /

# Install additional mopidy extensions and Python dependencies via pip
COPY docker/requirements.txt .
RUN python3 -m pip install -r requirements.txt

# Cleanup
RUN rm -rf /root/.cache \
 && rm -rf /iris/node_modules

# Start helper script.
COPY docker/entrypoint.sh /entrypoint.sh

# Copy Default configuration for mopidy
COPY docker/mopidy/mopidy.example.conf /config/mopidy.conf

# Copy the pulse-client configuratrion
COPY docker/mopidy/pulse-client.conf /etc/pulse/client.conf

# Allows any user to run mopidy, but runs by default as a randomly generated UID/GID.
# RUN useradd -ms /bin/bash mopidy
ENV HOME=/var/lib/mopidy
RUN set -ex \
 && usermod -G audio,wheel mopidy \
 && mkdir /var/lib/mopidy/local \
 && chown mopidy:audio -R $HOME /entrypoint.sh /iris \
 && chmod go+rwx -R $HOME /entrypoint.sh /iris

# Runs as mopidy user by default.
USER mopidy:audio

VOLUME ["/var/lib/mopidy/local"]

EXPOSE 6600 6680 1704 1705 5555/udp

ENTRYPOINT ["/usr/bin/dumb-init", "/entrypoint.sh"]
CMD ["mopidy"]